Aerosol formulations of albuterol and 1,1,1,2-tetrafluoroethane
US6416743B1 · kind B1 · utility
32Cited by
18References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2000 |
| Grant date | Jul 9, 2002 |
| Priority date | — |
| Expiry date | Aug 30, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Aerosol formulations substantially free of chlorofluorocarbons, for oral and/or nasal administration are described. The formulations comprise 1,1,1,2 tetrafluoroethane, a medicament, optionally an excipient and optionally a surfactant. Methods of treatment utilizing the formulations also are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.